How to do Directory submission

How to do Directory submission : Directory submission is the most important topics in search engine optimization. For doing off page optimization directory submission is so much significant for increasing visitor rapidly. But we must know how to do directory submission, how er can procedure directory submission. Directory submission can make a top page rank of our site. So its very necessary to know the process about directory submission. Sometimes we show in some sites with category or different subject. Your website link submission depended on your related subject to set the directory in the specific list. As example if your website is technology related then you have to submit your site in the technology category directory. If your website is food related you have to set it in the food directory. In this way we can set directory in different directory submission website. So make directory submission, increase your visitor rapidly and earn money at online...

Technology
-Computer
--Program
--Software
---Antivirus
---Multimedia
--Troubleshooting
-Mobile
--Apps
--Software Solution
--Mobile Games
Food
--Heavy Food
--Fast Food
--Food Tips

Here we need to select category to set our web directory. Some directory link are given below :
https://ecom.yahoo.com/dir/submit/intro/
List of Directory Submission Site :
http://www.bloggingtips.com/2013/09/09/30-free-directory-submission-sites-high-pr
http://www.addurl.nu/

Best of luck...